Search Results - "ULACIA, I"

Thermo-mechanical modelling of ball screw preload force variation in different working conditions by Oyanguren, A., Larrañaga, J., Ulacia, I.

“…Ball screws are robust and economical linear positioning systems widely employed in high-speed and high-precision machines. Due to precision and stability…”
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Mechanical behavior and microstructural evolution of a Mg AZ31 sheet at dynamic strain rates by Ulacia, I., Dudamell, N.V., Gálvez, F., Yi, S., Pérez-Prado, M.T., Hurtado, I.

“…The mechanical behavior of an AZ31 Mg sheet has been investigated at high strain rate (10 3 s −1) and compared with that observed at low rates (10 −3 s −1)…”
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Tensile characterization and constitutive modeling of AZ31B magnesium alloy sheet over wide range of strain rates and temperatures by Ulacia, I., Salisbury, C.P., Hurtado, I., Worswick, M.J.

“…Magnesium alloys are an ideal candidate due to their low density in comparison to aluminum and steel alloys when designing a vehicle with lower weight and…”
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Optimization of the semi-hexagonal geometry of a composite crush structure by finite element analysis by Esnaola, A., Elguezabal, B., Aurrekoetxea, J., Gallego, I., Ulacia, I.

“…In the present paper a numerical model for predicting the crushing behaviour of semi-hexagonal E-glass/polyester composite structures has been developed…”
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Quasi-static crush energy absorption capability of E-glass/polyester and hybrid E-glass–basalt/polyester composite structures by Esnaola, A., Ulacia, I., Aretxabaleta, L., Aurrekoetxea, J., Gallego, I.

“…[Display omitted] •E-glass fibres have shown the highest specific energy absorption values; 30kJ/kg.•Bidirectional E-glass fibres dissipate more energy by…”
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Effect of fibre volume fraction on energy absorption capabilities of E-glass/polyester automotive crash structures by Esnaola, A., Tena, I., Aurrekoetxea, J., Gallego, I., Ulacia, I.

“…Semi-hexagonal glass/polyester composite structures with different fibre volume fractions have been studied for automotive crash applications. Interlaminar…”
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A novel formulation for radial fretting wear: Application to false brinelling in thrust bearings by Cubillas, D., Olave, M., Llavori, I., Ulacia, I., Larrañaga, J., Zurutuza, A., Lopez, A.

“…Radial fretting is defined as the damage caused by the relative motion of a ball under a variable normal load. The conducted experimental tests proved the…”
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Thermal characterization of large size lithium-ion pouch cell based on 1d electro-thermal model by VERTIZ, G, OYARBIDE, M, MACICIOR, H, MIGUEL, O, CANTERO, I, FERNANDEZ DE ARROIABE, P, ULACIA, I

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Impact characterization of thermoformable fibre metal laminates of 2024-T3 aluminium and AZ31B-H24 magnesium based on self-reinforced polypropylene by Múgica, J.I., Aretxabaleta, L., Ulacia, I., Aurrekoetxea, J.

“…In this work, the impact behaviour of an AZ31B-H24 magnesium-based fibre metal laminate (FML) and a 2024-T3 aluminium-based FML with self-reinforced…”
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Fatigue analysis of multipass welded joints considering residual stresses by Lopez-Jauregi, A., Esnaola, J.A., Ulacia, I., Urrutibeascoa, I., Madariaga, A.

“…•Fatigue life estimation procedure considering residual stresses is presented.•The procedure is validated for different welding types.•The proposed procedure…”
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Influence of texture on the recrystallization mechanisms in an AZ31 Mg sheet alloy at dynamic rates by Dudamell, N.V., Ulacia, I., Gálvez, F., Yi, S., Bohlen, J., Letzig, D., Hurtado, I., Pérez-Prado, M.T.

“…► The DRX mechanisms of a Mg AZ31 sheet at impact rates depend on the texture. ► DDRX predominates during compression along the rolling and normal directions…”
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Out of die ultraviolet cured pultrusion for automotive crash structures by Tena, I., Esnaola, A., Sarrionandia, M., Ulacia, I., Torre, J., Aurrekoetxea, J.

“…In this paper the out of die ultraviolet (UV) cured pultrusion for manufacturing impact automotive energy absorbing parts has been analysed. Aspects such as…”
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Rate-dependent phenomenological model for self-reinforced polymers by Múgica, J.I., Aretxabaleta, L., Ulacia, I., Aurrekoetxea, J.

“…The visco-elastoplastic nature of self-reinforced polymers (SRPs) implies that their mechanical behaviour depends on strain rate. Such dependence, when…”
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Procedure to predict residual stress pattern in spray transfer multipass welding by Lopez-Jauregi, A., Ulacia, I., Esnaola, J. A., Ugarte, D., Torca, I.

“…Gas metal arc welding (GMAW) is one of the most used joining method in the industry. However, one of the main problems of this process is the generation of…”
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Twinning and grain subdivision during dynamic deformation of a Mg AZ31 sheet alloy at room temperature by Dudamell, N.V., Ulacia, I., Gálvez, F., Yi, S., Bohlen, J., Letzig, D., Hurtado, I., Pérez-Prado, M.T.

“…The microstructural evolution of an AZ31 rolled sheet during dynamic deformation at strain rates of ∼10 3 s −1 has been investigated by electron backscatter…”
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Design, manufacturing and evaluation of glass/polyester composite crash structures for lightweight vehicles by Esnaola, A., Ulacia, I., Elguezabal, B., Del Pozo De Dios, E., Alba, J. J., Gallego, I.

“…The development and validation of a modular composite impact structure is presented in the present paper. Quasi-static and dynamic impact tests of the…”
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Preload variation due to temperature increase in double nut ball screws by Oyanguren, A., Zahn, P., Alberdi, A. H., Larrañaga, J., Lechler, A., Ulacia, I.

“…Ball screws are robust and economic linear positioning systems that are widely employed in high speed and high precision machines. Due to precision and…”
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Numerical Modeling and Design of Thermoelectric Cooling Systems and Its Application to Manufacturing Machines by Gallo, A., Arana, A., Oyanguren, A., García, G., Barbero, A., Larrañaga, J., Ulacia, I.

“…In this work the properties of thermoelectric modules (TEMs) and their behavior have been numerically modeled. Moreover, their applications very often require…”
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Experimental and Numerical Study of Electromagnetic Forming of AZ31B Magnesium Alloy Sheet by Ulacia, I., Hurtado, I., Imbert, J., Salisbury, C.P., Worswick, M.J., Arroyo, A.

“…Wrought magnesium alloys are interesting materials for automotive and aeronautical industries due to their low density in comparison to steel and aluminium…”
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Numerical study on the effectiveness of the optimization of the load distribution in ball screw actuators by Sangalli, L., Oyanguren, A., Izquierdo, M., Larrañaga, J., Ulacia, I.

“…Load distribution in ball screws is characterized by non-uniformity, leading to imbalances in the contact load of the balls along the nut. This non-uniformity…”
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